[tip:perf/core] perf test: Add dso data caching tests
Commit-ID: f7add556534529ab18501ced98d7f3f2fc7f0621
Gitweb: http://git.kernel.org/tip/f7add556534529ab18501ced98d7f3f2fc7f0621
Author: Jiri Olsa
AuthorDate: Sun, 22 Jul 2012 14:14:40 +0200
Committer: Arnaldo Carvalho de Melo
CommitDate: Wed, 25 Jul 2012 11:33:17 -0300
perf test: Add dso data caching tests
Adding automated test for DSO data reading. Testing raw/cached reads
from different file/cache locations.
Signed-off-by: Jiri Olsa
Cc: Arun Sharma
Cc: Benjamin Redelings
Cc: Corey Ashford
Cc: Cyrill Gorcunov
Cc: Frank Ch. Eigler
Cc: Frederic Weisbecker
Cc: Ingo Molnar
Cc: Masami Hiramatsu
Cc: Paul Mackerras
Cc: Peter Zijlstra
Cc: Robert Richter
Cc: Stephane Eranian
Cc: Tom Zanussi
Cc: Ulrich Drepper
Link:
http://lkml.kernel.org/r/1342959280-5361-18-git-send-email-jo...@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo
---
tools/perf/Makefile |1 +
tools/perf/builtin-test.c |4 +
tools/perf/util/dso-test-data.c | 153 +++
tools/perf/util/symbol.h|1 +
4 files changed, 159 insertions(+), 0 deletions(-)
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 75d74e5..e8f0579 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -354,6 +354,7 @@ LIB_OBJS += $(OUTPUT)util/usage.o
LIB_OBJS += $(OUTPUT)util/wrapper.o
LIB_OBJS += $(OUTPUT)util/sigchain.o
LIB_OBJS += $(OUTPUT)util/symbol.o
+LIB_OBJS += $(OUTPUT)util/dso-test-data.o
LIB_OBJS += $(OUTPUT)util/color.o
LIB_OBJS += $(OUTPUT)util/pager.o
LIB_OBJS += $(OUTPUT)util/header.o
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 5ce3030..d909eb7 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -1142,6 +1142,10 @@ static struct test {
.func = test__perf_pmu,
},
{
+ .desc = "Test dso data interface",
+ .func = dso__test_data,
+ },
+ {
.func = NULL,
},
};
diff --git a/tools/perf/util/dso-test-data.c b/tools/perf/util/dso-test-data.c
new file mode 100644
index 000..541cdc7
--- /dev/null
+++ b/tools/perf/util/dso-test-data.c
@@ -0,0 +1,153 @@
+#include "util.h"
+
+#include
+#include
+#include
+#include
+#include
+
+#include "symbol.h"
+
+#define TEST_ASSERT_VAL(text, cond) \
+do { \
+ if (!(cond)) { \
+ pr_debug("FAILED %s:%d %s\n", __FILE__, __LINE__, text); \
+ return -1; \
+ } \
+} while (0)
+
+static char *test_file(int size)
+{
+ static char buf_templ[] = "/tmp/test-XX";
+ char *templ = buf_templ;
+ int fd, i;
+ unsigned char *buf;
+
+ fd = mkostemp(templ, O_CREAT|O_WRONLY|O_TRUNC);
+
+ buf = malloc(size);
+ if (!buf) {
+ close(fd);
+ return NULL;
+ }
+
+ for (i = 0; i < size; i++)
+ buf[i] = (unsigned char) ((int) i % 10);
+
+ if (size != write(fd, buf, size))
+ templ = NULL;
+
+ close(fd);
+ return templ;
+}
+
+#define TEST_FILE_SIZE (DSO__DATA_CACHE_SIZE * 20)
+
+struct test_data_offset {
+ off_t offset;
+ u8 data[10];
+ int size;
+};
+
+struct test_data_offset offsets[] = {
+ /* Fill first cache page. */
+ {
+ .offset = 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read first cache page. */
+ {
+ .offset = 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Fill cache boundary pages. */
+ {
+ .offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read cache boundary pages. */
+ {
+ .offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Fill final cache page. */
+ {
+ .offset = TEST_FILE_SIZE - 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read final cache page. */
+ {
+ .offset = TEST_FILE_SIZE - 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read final cache page. */
+ {
+ .offset = TEST_FILE_SIZE - 3,
+ .data = { 7, 8, 9, 0, 0, 0, 0, 0, 0, 0 },
+ .size = 3,
+ },
+};
+
+int dso__test_data(void)
+{
+ struct machine machine;
+ struct dso *dso;
+ char *file = test_file(TEST_FILE_SIZE);
+ size_t i;
+
+ TEST_ASSERT_VAL("No test file", file);
+
+ memset(, 0, sizeof(machine));
+
+ dso = dso__new((const char *)file);
+
+ /* Basic 10 bytes tests. */
+ for (i = 0; i <
[tip:perf/core] perf test: Add dso data caching tests
Commit-ID: f7add556534529ab18501ced98d7f3f2fc7f0621
Gitweb: http://git.kernel.org/tip/f7add556534529ab18501ced98d7f3f2fc7f0621
Author: Jiri Olsa jo...@redhat.com
AuthorDate: Sun, 22 Jul 2012 14:14:40 +0200
Committer: Arnaldo Carvalho de Melo a...@redhat.com
CommitDate: Wed, 25 Jul 2012 11:33:17 -0300
perf test: Add dso data caching tests
Adding automated test for DSO data reading. Testing raw/cached reads
from different file/cache locations.
Signed-off-by: Jiri Olsa jo...@redhat.com
Cc: Arun Sharma asha...@fb.com
Cc: Benjamin Redelings benjamin.redeli...@nescent.org
Cc: Corey Ashford cjash...@linux.vnet.ibm.com
Cc: Cyrill Gorcunov gorcu...@openvz.org
Cc: Frank Ch. Eigler f...@redhat.com
Cc: Frederic Weisbecker fweis...@gmail.com
Cc: Ingo Molnar mi...@kernel.org
Cc: Masami Hiramatsu masami.hiramatsu...@hitachi.com
Cc: Paul Mackerras pau...@samba.org
Cc: Peter Zijlstra a.p.zijls...@chello.nl
Cc: Robert Richter robert.rich...@amd.com
Cc: Stephane Eranian eran...@google.com
Cc: Tom Zanussi tzanu...@gmail.com
Cc: Ulrich Drepper drep...@gmail.com
Link:
http://lkml.kernel.org/r/1342959280-5361-18-git-send-email-jo...@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo a...@redhat.com
---
tools/perf/Makefile |1 +
tools/perf/builtin-test.c |4 +
tools/perf/util/dso-test-data.c | 153 +++
tools/perf/util/symbol.h|1 +
4 files changed, 159 insertions(+), 0 deletions(-)
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 75d74e5..e8f0579 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -354,6 +354,7 @@ LIB_OBJS += $(OUTPUT)util/usage.o
LIB_OBJS += $(OUTPUT)util/wrapper.o
LIB_OBJS += $(OUTPUT)util/sigchain.o
LIB_OBJS += $(OUTPUT)util/symbol.o
+LIB_OBJS += $(OUTPUT)util/dso-test-data.o
LIB_OBJS += $(OUTPUT)util/color.o
LIB_OBJS += $(OUTPUT)util/pager.o
LIB_OBJS += $(OUTPUT)util/header.o
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 5ce3030..d909eb7 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -1142,6 +1142,10 @@ static struct test {
.func = test__perf_pmu,
},
{
+ .desc = Test dso data interface,
+ .func = dso__test_data,
+ },
+ {
.func = NULL,
},
};
diff --git a/tools/perf/util/dso-test-data.c b/tools/perf/util/dso-test-data.c
new file mode 100644
index 000..541cdc7
--- /dev/null
+++ b/tools/perf/util/dso-test-data.c
@@ -0,0 +1,153 @@
+#include util.h
+
+#include stdlib.h
+#include sys/types.h
+#include sys/stat.h
+#include fcntl.h
+#include string.h
+
+#include symbol.h
+
+#define TEST_ASSERT_VAL(text, cond) \
+do { \
+ if (!(cond)) { \
+ pr_debug(FAILED %s:%d %s\n, __FILE__, __LINE__, text); \
+ return -1; \
+ } \
+} while (0)
+
+static char *test_file(int size)
+{
+ static char buf_templ[] = /tmp/test-XX;
+ char *templ = buf_templ;
+ int fd, i;
+ unsigned char *buf;
+
+ fd = mkostemp(templ, O_CREAT|O_WRONLY|O_TRUNC);
+
+ buf = malloc(size);
+ if (!buf) {
+ close(fd);
+ return NULL;
+ }
+
+ for (i = 0; i size; i++)
+ buf[i] = (unsigned char) ((int) i % 10);
+
+ if (size != write(fd, buf, size))
+ templ = NULL;
+
+ close(fd);
+ return templ;
+}
+
+#define TEST_FILE_SIZE (DSO__DATA_CACHE_SIZE * 20)
+
+struct test_data_offset {
+ off_t offset;
+ u8 data[10];
+ int size;
+};
+
+struct test_data_offset offsets[] = {
+ /* Fill first cache page. */
+ {
+ .offset = 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read first cache page. */
+ {
+ .offset = 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Fill cache boundary pages. */
+ {
+ .offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read cache boundary pages. */
+ {
+ .offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Fill final cache page. */
+ {
+ .offset = TEST_FILE_SIZE - 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read final cache page. */
+ {
+ .offset = TEST_FILE_SIZE - 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read final cache page. */
+ {
+ .offset = TEST_FILE_SIZE - 3,
+ .data = { 7, 8, 9, 0, 0, 0, 0, 0, 0, 0 },
+
